Is Blood Pet good in Commander?

Blood Pet

Creature — Thrull

Sacrifice this creature: Add .

CMC: 1
Mana cost
Color identity: B
Rarity: common
Set: The List
Price: $0.68
EDHREC rank: #2752

Blood Pet enters, blocks, or just sits there until you sacrifice it for one black mana — a zero-net-cost body that replaces itself on demand. Outside of dedicated loops like Mortuary or a Shirei, Shizo's Caretaker engine, that's the entire pitch: one mana, one mana back, and a creature death trigger on your terms.

Best Commanders

Commanders with the highest synergy

Shirei, Shizo's Caretaker

58.4% of decks · synergy 0.50

Blood Pet is a core piece in Shirei, Shizo's Caretaker decks — a power-1 creature that sacrifices for mana, triggers Shirei's recursion at end of turn, and loops indefinitely once the engine is running.

Gwenom, Remorseless

50.9% of decks · synergy 0.43

Gwenom, Remorseless wants cheap creatures that die willingly, and Blood Pet delivers a repeatable sacrifice trigger for a single black mana while keeping the creature count high enough to feed Gwenom's payoffs.

K'rrik, Son of Yawgmoth

44.6% of decks · synergy 0.37

Blood Pet is a one-mana creature in a deck where K'rrik, Son of Yawgmoth wants to pay life instead of mana, so it slots in as a free-ish body that also generates the black mana K'rrik shells are always hungry for.

Rakdos, the Muscle

28.9% of decks · synergy 0.27

Rakdos, the Muscle rewards cheap, expendable creatures, and Blood Pet fits cleanly as a sacrifice outlet that doubles as its own fuel — dying on command to keep the engine moving.

Sméagol, Helpful Guide

15.3% of decks · synergy 0.14

Sméagol, Helpful Guide decks use Blood Pet as a low-cost creature death trigger to consistently flip the Ring temptation and generate value off each sacrifice.

Format Analysis

Where it lives, where it can’t

Format	Verdict
commander	legal
legacy	legal
modern	not legal
pioneer	not legal
standard	not legal
vintage	legal
pauper	legal
oathbreaker	legal

Blood Pet is a Commander card in practice — the loop potential with sacrifice payoffs and recursion pieces is what makes it worth a slot, and those engines live in 100-card singleton. In Pauper it's legal and occasionally explored in black devotion or aristocrats builds, though it rarely makes the cut over more impactful one-drops. Legacy and Vintage have it on the legal list but no meaningful home; the formats move too fast for a creature that produces one mana once. Oathbreaker mirrors the Commander use case closely enough that the same loop decks will want it there too.

Key Combos

Combo lines featuring this card

485 decks